66391225

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1$

素因数の和:214

約数の個数: 48

約数和(自身を含む): 92851200

約数和(自身を除く): 26459975

約数列:

[1, 5, 19, 23, 25, 59, 95, 103, 115, 295, 437, 475, 515, 575, 1121, 1357, 1475, 1957, 2185, 2369, 2575, 5605, 6077, 6785, 9785, 10925, 11845, 25783, 28025, 30385, 33925, 45011, 48925, 59225, 115463, 128915, 139771, 151925, 225055, 577315, 644575, 698855, 1125275, 2655649, 2886575, 3494275, 13278245, 66391225]

約数ペア:

[(1, 66391225), (5, 13278245), (19, 3494275), (23, 2886575), (25, 2655649), (59, 1125275), (95, 698855), (103, 644575), (115, 577315), (295, 225055), (437, 151925), (475, 139771), (515, 128915), (575, 115463), (1121, 59225), (1357, 48925), (1475, 45011), (1957, 33925), (2185, 30385), (2369, 28025), (2575, 25783), (5605, 11845), (6077, 10925), (6785, 9785)]